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Castellum Apartments, Osbourne Gardens, Aylesbury, HP19 7BW
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Castellum Apartments, Osbourne Gardens

Castellum Apartments, Osbourne Gardens

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HP19 7BU
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HP19 7BW
Last updated Jul 2026

Key Building Insights

Castellum Apartments, Osbourne Gardens is a residential building situated on Osbourne Gardens, Aylesbury, HP19 with 151 addresses.

It ranks as the 309th largest and 202nd most expensive of the 309 buildings in the HP19 area.

The building contains a total of 151 properties: 151 flats.

Ave. Sale Price
£188,882
10 Year change
up 4.6%
Ave. Rental Price
£1,091pcm
10 Year change
up 37.5%
Ave. £ per ft²
£365/ft²
Ave. Gross Yield
6.9%/year/yr
All figures are subject to T&Cs
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Explore Propertieson Osbourne Gardens, Aylesbury, HP19

House
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151 flats

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Sales Market Trends

The last sale in Castellum Apartments, Osbourne Gardens sold for £265,000 on 9th September 2025. Since then prices are down an average of 0.0%.

The current average value in the building is £188,882.
The Castellum Apartments, Osbourne Gardens Sales Market has increased by 4.6% over the last 10 years.

PeriodYear on YearAverage Price
June 20261.3%£188,882
June 20251.7%£186,544
June 2024-1.5%£183,493
June 2023-1.3%£186,328
June 20226.4%£188,737
June 20213.8%£177,322
June 20200.4%£170,884
June 2019-4.6%£170,158
June 2018-2.9%£178,306
June 20171.6%£183,581
June 201617%£180,631
June 201510.9%£154,337
June 201410.8%£139,185
June 20132.9%£125,618
June 2012-3%£122,093
June 2011-3.3%£125,859
June 20104.4%£130,152
June 2009-12.7%£124,683
June 2008-4.1%£142,778
June 20070%£148,869
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Rental Market Trends

The current average rental value in the building is £1,091.
The Castellum Apartments, Osbourne Gardens Rental Market has increased by 37.5% over the last 10 years.

PeriodYear on YearAverage Price
June 20265.1%£1,091pcm
June 20251.8%£1,038pcm
June 202410.3%£1,019pcm
June 20238.3%£924pcm
June 20226.8%£853pcm
June 20213%£799pcm
June 20202.6%£776pcm
June 2019-1.7%£756pcm
June 2018-3.6%£769pcm
June 20170.5%£798pcm
June 20167.9%£794pcm
June 20157.5%£735pcm
June 20144%£684pcm
June 20131.9%£658pcm
June 20120.4%£645pcm
June 20111.6%£643pcm
June 2010-0.1%£633pcm
June 2009-5.9%£633pcm
June 20081.1%£673pcm
June 20070%£666pcm
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Sales History

The last sale was on 9th September 2025 for £265,000 and since then the market in the area has remained stable. The building has had a total of 37 sales since 1995.

Castellum Apartments, Osbourne Gardens, Aylesbury, HP19 7BW has seen 37 sales in the last three years and 37 sales in the last twelve months.

properties list title title

Property Types

  • 151 other addresses of unknown type
  • Unknown (151)
Energy Efficiency

Energy Efficiency

  • Energy Performance Certificate (EPC) surveys conducted for 0 properties.
  • The most common rating is no_epc_ratings.
  • A (0)
  • E (0)
  • B (0)
  • F (0)
  • C (0)
  • G (0)
  • D (0)
  • No EPC (151)
properties list title title

Top 3 Most Expensive Sales

Schools Nearby

Schools Nearby

The nearest primary school to Castellum Apartments, Osbourne Gardens, Aylesbury, HP19 7BW is Bearbrook Combined School, which is 200 metres away.
  • Bearbrook Combined School
    200 m away
  • Oak Green School
    600 m away
  • St Mary's Church of England School
    800 m away
The nearest secondary school is Aylesbury UTC, which is 0 metres away.
  • Aylesbury UTC
    0 m away
  • Sir Henry Floyd Grammar School
    200 m away
  • Aylesbury High School
    1.7 km away
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Schools and house prices
Source: Ofsted 2026
Public Transport Nearby

Public Transport Nearby

The closest station to Castellum Apartments, Osbourne Gardens, Aylesbury, HP19 7BW is Aylesbury station, which is 800 metres away.

  • Aylesbury
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    800 m away
  • Aylesbury Vale Parkway
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    3.0 km away
  • Stoke Mandeville
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    4.1 km away
  • Little Kimble
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    6.9 km away
Source: National Rail
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